Dephlegmator and rectifying-column.



D. PYZEL.

DEPHLEGMATOR AND RECTIFYING COLUMN.

APPLICATION FILED ocT. Io. IsIs.

l 76,690 Patented Aug. 20, 1918.

DANIEL PYZEL, OF SAN FRANCISCO, CALIFORNIA.

' DEPHLEGMATOR AND RECTIFYING-COLUMN.

speeicauon of Letters ratent. Patented Aue". 20, 1918.

Application led October l0, 1916. Serial No. 124,912.

To all' whom it may concern:

Be it lrnown that l', DANIEL PYZEL, a subject of the Queen of Holland, residing in the city and county of San Francisco, State of California, have invented a new and useful De'phlegrnator and Rectifying-Column, of which the following is a. specification.

My invention relates to the art of distilling, and the principal object of the invention is to provide means for condensing and removing liquids of definite boiling points from saturated vapors containing liquids of different boiling points.

My invention is especially adapted for use in the art of relining petroleum oils. ln that art an oil which is a complex mixture of liquids of dierent boiling points is heated to produce a vapor which is in turn a complex mixture of vapors of diiferent boiling and condensing points. @ne of the principal objects of distillinff petroleum oils is to separate the complex zliquid into a num- Y ber of different liquids, each of which has a more or less rdefinite boilino noint and In 1 invention is especially designed and used for this purpose. This l accomplish in the petroleum distilling art by passing the vapors through a series of dephleg1nators,each of which is similar to that described herein, the vapors being successively cooled to lower temperatures in ltheir passage through these dephlegmators, and liquids having successively lower boiling points being extracted from the vapors in successive dephlegmators.

Further objects and advantages will be made evident hereinafter.

Referring to the drawing, which illustrates one of the dephlegmators:

Figure 1 is a vertical, cross section.

lFig. 2 is a section on the plane 2-2 of lTig. 1, this plane being viewed in the direction of the arrow.

Fig. 3 is a section on the plane 3 3 of Fig. 1, this plane being viewed in the direction of the arrows.

1n the form of the invention illustrated in the drawing, a shell 11 is provided with a vapor inlet 12 in the side thereof, near the bottom, and a vapor.. outlet 13 is provided in the side thereof, near the top. Atight cover lei is secured in place on the shell 11 by means of bolts 15, and a cooling coil 16 is suspended from this cover, this cooling coil being provided with a water inlet pipe 17 and a water outlet pipe 18'through which the cooling water is supplied and removed.

1n some cases prefer to use residuum or distillate as a cooling medium. Surrounding the coil 16, and suspended from the underside of the cover, is a deliector plate 19, this deflector plate extending down to a point somewhat below the coil 16 and below the vapor outlet 13.

A pair of angle irons 20 are secured inside the shell 11 extending across the bottom thereof.

Located inside the shell 11 are a series of alternate circular1 pans 21 and annular pans 22, the circular pans being considerably smaller in diameter than the shell 11, .and the annular pans being of the same diameter as the interior of the shell and having central openings 23 which are somewhat smaller in diameter than the circular pans 21. rThe pans 21 and 22 are supported on bolts 2l and are suitably spaced by pipe spacing members 25. The three lower pans 26 are hereinafter called the redistilling pans and are located below the vapor inlet 12 and therefore out of the path of the vapor. The remainder of the pans 27 are located between the vapor inlet 12 and the vapor outlet 13, and are hereinafter called the condensing pans, the hot vapors following the path of the arrows through the openings 23 in the pans 22 and around the outer edges of the circular pans 21. The top pan 28 which is of annular forni is provided with a central pipe 29 which extends up inside the coil 16 to a point very near the cover 14.

lill

All the pans 21 and 22 and the pipe 29 are assembled as a whole and rest on the angle iron members 20. The cover 1d, with its coil, can be removed as a unit, and the pans 21 and 22 can then be lifted out as a unit, thus providing for great ease of repair.

The shell 11 is closed by a bottom 30, and a steam coil 31 is placed in the lower portion of the shell 11 close to the bottom 30, this steam coil 31. being supplied with steam through a pipe 32 and having the general form shown in Fig. 3. Small perforations 33 are formed'in the upper surface of the pipe through which steam may be injected into the interior of the shell. An outlet pipe 3d is secured in the bottom 30, this outlet pipe being surrounded by a deflector 35 having small slots 36 therein.

1n practice, al number ofA dephlegrnators, such as that illustrated, are used, being connected in a series through which the vapor is successively passed, each dephlegrnator 

